Aerial photograph of burnt and unburnt forest stands near Grace Lake, Ontario. The lush green unburnt forest cuts through the center of the image and is surrounded by gray and white burnt trees.

Closer view of windthrow perturbation at Montmorency. N.B. inversion of Ae and Bh on left.

Closeup of Ah horizon in cobbly pumice soil near Chemult Oregon; see Slide # 49 & 50. Inceptisol, P, Ah, F, D.

Closeup of buried profile under peat in Dunmore Twp. Plonski Forest, Swastika; for cause see slide # 149. n.b. weak colour of Bf and the structure of the peat with remains of tree roots.

Chlorotic foliage on jack pine planted in area where all organic material has been removed. Terry Twp. Englehart Management Unit.

Closeup of iron lines and deposition of organic matter in an old root/worm channel; profile of slides #151 & 164.

Black spruce 3+0 planted 1971. Closeup of planted seedling and a white spruce natural (frost damaged). Doley lake, Dog River. cf. #713

Black spruce 3+0 planted 1971. Closeup of planted seedling and a white spruce natural (frost damaged). Doley lake, Dog River. cf. #713

View of red pine root and Armillaria mellea rhizomorphs - "shoe-string" fungus

Closeup of slide # 157 to show soils in Toronto region; n.b. yellow is interlobate (Oak ridges) moraine, blue are clay tills, brown are also tills of coarser texture.